it's hard, though, to maintain that energy for a whole inauguration. that is one heck of a yawn from sasha. hey, you think it's easy to take an oath of office? the president is kind of 0 for 2 on the big stage and this time, it was his fault. >> the office of president of the united states. >> the office of president of the united states. >> and will to the best of my ability. >> and will -- >> reporter: that's states, states. still it was a glorious morning and what do you do after reenlisting for another four years as leader of the free world? you pause to take it all in. 23 seconds of reflection. >> i want to take a look one more time. i'm not going to see this again. >> reporter: you think joe biden was having fun? that smile almost never left his face, and you get the sense that if a vice president could actually crowd surf, joe biden would. and more dancing, the president this time, trying at least, dancing and chewing, chewing and dancing, chewing and chewing and chewing. is that the nicorette we hear so much about? a presidential naugsration is